/*!
 * artDialog 4.1.6
 * Date: 2012-07-16 22:57
 * http://code.google.com/p/artdialog/
 * (c) 2009-2012 TangBin, http://www.planeArt.cn
 *
 * This is licensed under the GNU LGPL, version 2.1 or later.
 * For details, see: http://creativecommons.org/licenses/LGPL/2.1/
 */

;
define(function(require, exports, module) {
	var jQuery = require("jquery");

	(function ($, window, undefined) {

		$.noop = $.noop || function () {}; // jQuery 1.3.2
		var _box, _thisScript, _skin, _path,
			_count = 0,
			_$window = $(window),
			_$document = $(document),
			_$html = $('html'),
			_elem = document.documentElement,
			_isIE6 = window.VBArray && !window.XMLHttpRequest,
			_isMobile = 'createTouch' in document && !('onmousemove' in _elem)
				|| /(iPhone|iPad|iPod)/i.test(navigator.userAgent),
			_expando = 'artDialog' + + new Date;

		var artDialog = function (config, ok, cancel) {
			config = config || {};
			
			if (typeof config === 'string' || config.nodeType === 1) {
				config = {content: config, fixed: !_isMobile};
			};
			
			var api,
				defaults = artDialog.defaults,
				elem = config.follow = this.nodeType === 1 && this || config.follow;
				
			// 合并默认配置
			for (var i in defaults) {
				if (config[i] === undefined) config[i] = defaults[i];		
			};
			
			// 兼容v4.1.0之前的参数，未来版本将删除此
			$.each({ok:"yesFn",cancel:"noFn",close:"closeFn",init:"initFn",okVal:"yesText",cancelVal:"noText"},
			function(i,o){config[i]=config[i]!==undefined?config[i]:config[o]});
			
			// 返回跟随模式或重复定义的ID
			if (typeof elem === 'string') elem = $(elem)[0];
			config.id = elem && elem[_expando + 'follow'] || config.id || _expando + _count;
			api = artDialog.list[config.id];
			if (elem && api) return api.follow(elem).zIndex().focus();
			if (api) return api.zIndex().focus();
			
			// 目前主流移动设备对fixed支持不好
			if (_isMobile) config.fixed = false;
			
			// 按钮队列
			if (!$.isArray(config.button)) {
				config.button = config.button ? [config.button] : [];
			};
			if (ok !== undefined) config.ok = ok;
			if (cancel !== undefined) config.cancel = cancel;
			config.ok && config.button.push({
				name: config.okVal,
				callback: config.ok,
				focus: true
			});
			config.cancel && config.button.push({
				name: config.cancelVal,
				callback: config.cancel
			});
			
			// zIndex全局配置
			artDialog.defaults.zIndex = config.zIndex;
			
			_count ++;
			
			return artDialog.list[config.id] = _box ?
				_box._init(config) : new artDialog.fn._init(config);
		};

		artDialog.fn = artDialog.prototype = {

			version: '4.1.6',
			
			closed: true,
			
			_init: function (config) {
				var that = this, DOM,
					icon = config.icon,
					iconBg = icon && (_isIE6 ? {png: 'icons/' + icon + '.png'}
					: {backgroundImage: 'url(\'' + config.path + '/skins/icons/' + icon + '.png\')'});
				
				that.mouseover = false;
				that.closed = false;
				that.config = config;
				that.DOM = DOM = that.DOM || that._getDOM();
				
				DOM.wrap.addClass(config.skin);
				DOM.close[config.cancel === false ? 'hide' : 'show']();
				DOM.icon[0].style.display = icon ? '' : 'none';
				DOM.iconBg.css(iconBg || {background: 'none'});
				DOM.se.css('cursor', config.resize ? 'se-resize' : 'auto');
				DOM.title.css('cursor', config.drag ? 'move' : 'auto');
				DOM.content.css('padding', config.padding);
				
				that[config.show ? 'show' : 'hide'](true)
				that.button(config.button)
				.title(config.title)
				.content(config.content, true)
				.size(config.width, config.height)
				.time(config.time);
				
				config.follow
				? that.follow(config.follow)
				: that.position(config.left, config.top);
				
				that.zIndex().focus();
				config.lock && that.lock();
				
				that._addEvent();
				that._ie6PngFix();
				_box = null;
				
				config.init && config.init.call(that, window);
				return that;
			},
			
			/**
			 * 设置内容
			 * @param	{String, HTMLElement}	内容 (可选)
			 * @return	{this, HTMLElement}		如果无参数则返回内容容器DOM对象
			 */
			content: function (msg) {
				var prev, next, parent, display,
					that = this,
					DOM = that.DOM,
					wrap = DOM.wrap[0],
					width = wrap.offsetWidth,
					height = wrap.offsetHeight,
					left = parseInt(wrap.style.left),
					top = parseInt(wrap.style.top),
					cssWidth = wrap.style.width,
					$content = DOM.content,
					content = $content[0];
				
				that._elemBack && that._elemBack();
				wrap.style.width = 'auto';
				
				if (msg === undefined) return content;
				if (typeof msg === 'string') {
					$content.html(msg);
				} else if (msg && msg.nodeType === 1) {
				
					// 让传入的元素在对话框关闭后可以返回到原来的地方
					display = msg.style.display;
					prev = msg.previousSibling;
					next = msg.nextSibling;
					parent = msg.parentNode;
					that._elemBack = function () {
						if (prev && prev.parentNode) {
							prev.parentNode.insertBefore(msg, prev.nextSibling);
						} else if (next && next.parentNode) {
							next.parentNode.insertBefore(msg, next);
						} else if (parent) {
							parent.appendChild(msg);
						};
						msg.style.display = display;
						that._elemBack = null;
					};
					
					$content.html('');
					content.appendChild(msg);
					msg.style.display = 'block';
					
				};
				
				// 新增内容后调整位置
				if (!arguments[1]) {
					if (that.config.follow) {
						that.follow(that.config.follow);
					} else {
						width = wrap.offsetWidth - width;
						height = wrap.offsetHeight - height;
						left = left - width / 2;
						top = top - height / 2;
						wrap.style.left = Math.max(left, 0) + 'px';
						wrap.style.top = Math.max(top, 0) + 'px';
					};
					if (cssWidth && cssWidth !== 'auto') {
						wrap.style.width = wrap.offsetWidth + 'px';
					};
					that._autoPositionType();
				};
				
				that._ie6SelectFix();
				that._runScript(content);
				
				return that;
			},
			
			/**
			 * 设置标题
			 * @param	{String, Boolean}	标题内容. 为false则隐藏标题栏
			 * @return	{this, HTMLElement}	如果无参数则返回内容器DOM对象
			 */
			title: function (text) {
				var DOM = this.DOM,
					wrap = DOM.wrap,
					title = DOM.title,
					className = 'aui_state_noTitle';
					
				if (text === undefined) return title[0];
				if (text === false) {
					title.hide().html('');
					wrap.addClass(className);
				} else {
					title.show().html(text || '');
					wrap.removeClass(className);
				};
				
				return this;
			},
			
			/**
			 * 位置(相对于可视区域)
			 * @param	{Number, String}
			 * @param	{Number, String}
			 */
			position: function (left, top) {
				var that = this,
					config = that.config,
					wrap = that.DOM.wrap[0],
					isFixed = _isIE6 ? false : config.fixed,
					ie6Fixed = _isIE6 && that.config.fixed,
					docLeft = _$document.scrollLeft(),
					docTop = _$document.scrollTop(),
					dl = isFixed ? 0 : docLeft,
					dt = isFixed ? 0 : docTop,
					ww = _$window.width(),
					wh = _$window.height(),
					ow = wrap.offsetWidth,
					oh = wrap.offsetHeight,
					style = wrap.style;
				
				if (left || left === 0) {
					that._left = left.toString().indexOf('%') !== -1 ? left : null;
					left = that._toNumber(left, ww - ow);
					
					if (typeof left === 'number') {
						left = ie6Fixed ? (left += docLeft) : left + dl;
						style.left = Math.max(left, dl) + 'px';
					} else if (typeof left === 'string') {
						style.left = left;
					};
				};
				
				if (top || top === 0) {
					that._top = top.toString().indexOf('%') !== -1 ? top : null;
					top = that._toNumber(top, wh - oh);
					
					if (typeof top === 'number') {
						top = ie6Fixed ? (top += docTop) : top + dt;
						style.top = Math.max(top, dt) + 'px';
					} else if (typeof top === 'string') {
						style.top = top;
					};
				};
				
				if (left !== undefined && top !== undefined) {
					that._follow = null;
					that._autoPositionType();
				};
				
				return that;
			},

			/**
			 *	尺寸
			 *	@param	{Number, String}	宽度
			 *	@param	{Number, String}	高度
			 */
			size: function (width, height) {
				var maxWidth, maxHeight, scaleWidth, scaleHeight,
					that = this,
					config = that.config,
					DOM = that.DOM,
					wrap = DOM.wrap,
					main = DOM.main,
					wrapStyle = wrap[0].style,
					style = main[0].style;
					
				if (width) {
					that._width = width.toString().indexOf('%') !== -1 ? width : null;
					maxWidth = _$window.width() - wrap[0].offsetWidth + main[0].offsetWidth;
					scaleWidth = that._toNumber(width, maxWidth);
					width = scaleWidth;
					
					if (typeof width === 'number') {
						wrapStyle.width = 'auto';
						style.width = Math.max(that.config.minWidth, width) + 'px';
						wrapStyle.width = wrap[0].offsetWidth + 'px'; // 防止未定义宽度的表格遇到浏览器右边边界伸缩
					} else if (typeof width === 'string') {
						style.width = width;
						width === 'auto' && wrap.css('width', 'auto');
					};
				};
				
				if (height) {
					that._height = height.toString().indexOf('%') !== -1 ? height : null;
					maxHeight = _$window.height() - wrap[0].offsetHeight + main[0].offsetHeight;
					scaleHeight = that._toNumber(height, maxHeight);
					height = scaleHeight;
					
					if (typeof height === 'number') {
						style.height = Math.max(that.config.minHeight, height) + 'px';
					} else if (typeof height === 'string') {
						style.height = height;
					};
				};
				
				that._ie6SelectFix();
				
				return that;
			},
			
			/**
			 * 跟随元素
			 * @param	{HTMLElement, String}
			 */
			follow: function (elem) {
				var $elem, that = this, config = that.config;
				
				if (typeof elem === 'string' || elem && elem.nodeType === 1) {
					$elem = $(elem);
					elem = $elem[0];
				};
				
				// 隐藏元素不可用
				if (!elem || !elem.offsetWidth && !elem.offsetHeight) {
					return that.position(that._left, that._top);
				};
				
				var expando = _expando + 'follow',
					winWidth = _$window.width(),
					winHeight = _$window.height(),
					docLeft =  _$document.scrollLeft(),
					docTop = _$document.scrollTop(),
					offset = $elem.offset(),
					width = elem.offsetWidth,
					height = elem.offsetHeight,
					isFixed = _isIE6 ? false : config.fixed,
					left = isFixed ? offset.left - docLeft : offset.left,
					top = isFixed ? offset.top - docTop : offset.top,
					wrap = that.DOM.wrap[0],
					style = wrap.style,
					wrapWidth = wrap.offsetWidth,
					wrapHeight = wrap.offsetHeight,
					setLeft = left - (wrapWidth - width) / 2,
					setTop = top + height,
					dl = isFixed ? 0 : docLeft,
					dt = isFixed ? 0 : docTop;
				
				setLeft = setLeft < dl ? left :
				(setLeft + wrapWidth > winWidth) && (left - wrapWidth > dl)
				? left - wrapWidth + width
				: setLeft;

				setTop = (setTop + wrapHeight > winHeight + dt)
				&& (top - wrapHeight > dt)
				? top - wrapHeight
				: setTop;
				
				style.left = setLeft + 'px';
				style.top = setTop + 'px';
				
				that._follow && that._follow.removeAttribute(expando);
				that._follow = elem;
				elem[expando] = config.id;
				that._autoPositionType();
				return that;
			},
			
			/**
			 * 自定义按钮
			 * @example
				button({
					name: 'login',
					callback: function () {},
					disabled: false,
					focus: true
				}, .., ..)
			 */
			button: function () {
				var that = this,
					ags = arguments,
					DOM = that.DOM,
					buttons = DOM.buttons,
					elem = buttons[0],
					strongButton = 'aui_state_highlight',
					listeners = that._listeners = that._listeners || {},
					list = $.isArray(ags[0]) ? ags[0] : [].slice.call(ags);
				
				if (ags[0] === undefined) return elem;
				$.each(list, function (i, val) {
					var name = val.name,
						isNewButton = !listeners[name],
						button = !isNewButton ?
							listeners[name].elem :
							document.createElement('button');
							
					if (!listeners[name]) listeners[name] = {};
					if (val.callback) listeners[name].callback = val.callback;
					if (val.className) button.className = val.className;
					if (val.focus) {
						that._focus && that._focus.removeClass(strongButton);
						that._focus = $(button).addClass(strongButton);
						that.focus();
					};
					
					// Internet Explorer 的默认类型是 "button"，
					// 而其他浏览器中（包括 W3C 规范）的默认值是 "submit"
					// @see http://www.w3school.com.cn/tags/att_button_type.asp
					button.setAttribute('type', 'button');
					
					button[_expando + 'callback'] = name;
					button.disabled = !!val.disabled;

					if (isNewButton) {
						button.innerHTML = name;
						listeners[name].elem = button;
						elem.appendChild(button);
					};
				});
				
				buttons[0].style.display = list.length ? '' : 'none';
				
				that._ie6SelectFix();
				return that;
			},
			
			/** 显示对话框 */
			show: function () {
				this.DOM.wrap.show();
				!arguments[0] && this._lockMaskWrap && this._lockMaskWrap.show();
				return this;
			},
			
			/** 隐藏对话框 */
			hide: function () {
				this.DOM.wrap.hide();
				!arguments[0] && this._lockMaskWrap && this._lockMaskWrap.hide();
				return this;
			},
			
			/** 关闭对话框 */
			close: function () {
				if (this.closed) return this;
				
				var that = this,
					DOM = that.DOM,
					wrap = DOM.wrap,
					list = artDialog.list,
					fn = that.config.close,
					follow = that.config.follow;
				
				that.time();
				if (typeof fn === 'function' && fn.call(that, window) === false) {
					return that;
				};
				
				that.unlock();
				
				// 置空内容
				that._elemBack && that._elemBack();
				wrap[0].className = wrap[0].style.cssText = '';
				DOM.title.html('');
				DOM.content.html('');
				DOM.buttons.html('');
				
				if (artDialog.focus === that) artDialog.focus = null;
				if (follow) follow.removeAttribute(_expando + 'follow');
				delete list[that.config.id];
				that._removeEvent();
				that.hide(true)._setAbsolute();
				
				// 清空除this.DOM之外临时对象，恢复到初始状态，以便使用单例模式
				for (var i in that) {
					if (that.hasOwnProperty(i) && i !== 'DOM') delete that[i];
				};
				
				// 移除HTMLElement或重用
				_box ? wrap.remove() : _box = that;
				
				return that;
			},
			
			/**
			 * 定时关闭
			 * @param	{Number}	单位为秒, 无参数则停止计时器
			 */
			time: function (second) {
				var that = this,
					cancel = that.config.cancelVal,
					timer = that._timer;
					
				timer && clearTimeout(timer);
				
				if (second) {
					that._timer = setTimeout(function(){
						that._click(cancel);
					}, 1000 * second);
				};
				
				return that;
			},
			
			/** 设置焦点 */
			focus: function () {
				try {
					if (this.config.focus) {// 页面加载后，输入框的焦点被artDialog抢走，加这个条件控制一下
						var elem = this._focus && this._focus[0] || this.DOM.close[0];
						elem && elem.focus();
					}
				} catch (e) {}; // IE对不可见元素设置焦点会报错
				return this;
			},
			
			/** 置顶对话框 */
			zIndex: function () {
				var that = this,
					DOM = that.DOM,
					wrap = DOM.wrap,
					top = artDialog.focus,
					index = artDialog.defaults.zIndex ++;
				
				// 设置叠加高度
				wrap.css('zIndex', index);
				that._lockMask && that._lockMask.css('zIndex', index - 1);
				
				// 设置最高层的样式
				top && top.DOM.wrap.removeClass('aui_state_focus');
				artDialog.focus = that;
				wrap.addClass('aui_state_focus');
				
				return that;
			},
			
			/** 设置屏锁 */
			lock: function () {
				if (this._lock) return this;
				
				var that = this,
					index = artDialog.defaults.zIndex - 1,
					wrap = that.DOM.wrap,
					config = that.config,
					docWidth = _$document.width(),
					docHeight = _$document.height(),
					lockMaskWrap = that._lockMaskWrap || $(document.body.appendChild(document.createElement('div'))),
					lockMask = that._lockMask || $(lockMaskWrap[0].appendChild(document.createElement('div'))),
					domTxt = '(document).documentElement',
					sizeCss = _isMobile ? 'width:' + docWidth + 'px;height:' + docHeight
						+ 'px' : 'width:100%;height:100%',
					ie6Css = _isIE6 ?
						'position:absolute;left:expression(' + domTxt + '.scrollLeft);top:expression('
						+ domTxt + '.scrollTop);width:expression(' + domTxt
						+ '.clientWidth);height:expression(' + domTxt + '.clientHeight)'
					: '';
				
				that.zIndex();
				wrap.addClass('aui_state_lock');
				
				lockMaskWrap[0].style.cssText = sizeCss + ';position:fixed;z-index:'
					+ index + ';top:0;left:0;overflow:hidden;' + ie6Css;
				lockMask[0].style.cssText = 'height:100%;background:' + config.background
					+ ';filter:alpha(opacity=0);opacity:0';
				
				// 让IE6锁屏遮罩能够盖住下拉控件
				if (_isIE6) lockMask.html(
					'<iframe src="about:blank" style="width:100%;height:100%;position:absolute;' +
					'top:0;left:0;z-index:-1;filter:alpha(opacity=0)"></iframe>');
					
				lockMask.stop();
				lockMask.bind('click', function () {
					//that._reset();
				}).bind('dblclick', function () {
					//that._click(that.config.cancelVal);
				});
				
				if (config.duration === 0) {
					lockMask.css({opacity: config.opacity});
				} else {
					lockMask.animate({opacity: config.opacity}, config.duration);
				};
				
				that._lockMaskWrap = lockMaskWrap;
				that._lockMask = lockMask;
				
				that._lock = true;
				return that;
			},
			
			/** 解开屏锁 */
			unlock: function () {
				var that = this,
					lockMaskWrap = that._lockMaskWrap,
					lockMask = that._lockMask;
				
				if (!that._lock) return that;
				var style = lockMaskWrap[0].style;
				var un = function () {
					if (_isIE6) {
						style.removeExpression('width');
						style.removeExpression('height');
						style.removeExpression('left');
						style.removeExpression('top');
					};
					style.cssText = 'display:none';
					
					_box && lockMaskWrap.remove();
				};
				
				lockMask.stop().unbind();
				that.DOM.wrap.removeClass('aui_state_lock');
				if (!that.config.duration) {// 取消动画，快速关闭
					un();
				} else {
					lockMask.animate({opacity: 0}, that.config.duration, un);
				};
				
				that._lock = false;
				return that;
			},
			
			// 获取元素
			_getDOM: function () {	
				var wrap = document.createElement('div'),
					body = document.body;
				wrap.style.cssText = 'position:absolute;left:0;top:0';
				wrap.innerHTML = artDialog._templates;
				body.insertBefore(wrap, body.firstChild);
				
				var name, i = 0,
					DOM = {wrap: $(wrap)},
					els = wrap.getElementsByTagName('*'),
					elsLen = els.length;
					
				for (; i < elsLen; i ++) {
					name = els[i].className.split('aui_')[1];
					if (name) DOM[name] = $(els[i]);
				};
				
				return DOM;
			},
			
			// px与%单位转换成数值 (百分比单位按照最大值换算)
			// 其他的单位返回原值
			_toNumber: function (thisValue, maxValue) {
				if (!thisValue && thisValue !== 0 || typeof thisValue === 'number') {
					return thisValue;
				};
				
				var last = thisValue.length - 1;
				if (thisValue.lastIndexOf('px') === last) {
					thisValue = parseInt(thisValue);
				} else if (thisValue.lastIndexOf('%') === last) {
					thisValue = parseInt(maxValue * thisValue.split('%')[0] / 100);
				};
				
				return thisValue;
			},
			
			// 让IE6 CSS支持PNG背景
			_ie6PngFix: _isIE6 ? function () {
				var i = 0, elem, png, pngPath, runtimeStyle,
					path = artDialog.defaults.path + '/skins/',
					list = this.DOM.wrap[0].getElementsByTagName('*');
				
				for (; i < list.length; i ++) {
					elem = list[i];
					png = elem.currentStyle['png'];
					if (png) {
						pngPath = path + png;
						runtimeStyle = elem.runtimeStyle;
						runtimeStyle.backgroundImage = 'none';
						runtimeStyle.filter = "progid:DXImageTransform.Microsoft." +
							"AlphaImageLoader(src='" + pngPath + "',sizingMethod='crop')";
					};
				};
			} : $.noop,
			
			// 强制覆盖IE6下拉控件
			_ie6SelectFix: _isIE6 || true ? function () {
				var $wrap = this.DOM.wrap,
					wrap = $wrap[0],
					expando = _expando + 'iframeMask',
					iframe = $wrap[expando],
					width = wrap.offsetWidth,
					height = wrap.offsetHeight;

				width = width + 'px';
				height = height + 'px';
				if (iframe) {
					iframe.style.width = width;
					iframe.style.height = height;
				} else {
					iframe = wrap.appendChild(document.createElement('iframe'));
					$wrap[expando] = iframe;
					iframe.src = 'about:blank';
					iframe.frameBorder = 0;
					iframe.style.cssText = 'position:absolute;z-index:-1;left:0;top:0;border:0;'
					+ 'filter:alpha(opacity=0);width:' + width + ';height:' + height;
				};
			} : $.noop,
			
			// 解析HTML片段中自定义类型脚本，其this指向artDialog内部
			// <script type="text/dialog">/* [code] */</script>
			_runScript: function (elem) {
				var fun, i = 0, n = 0,
					tags = elem.getElementsByTagName('script'),
					length = tags.length,
					script = [];
					
				for (; i < length; i ++) {
					if (tags[i].type === 'text/dialog') {
						script[n] = tags[i].innerHTML;
						n ++;
					};
				};
				
				if (script.length) {
					script = script.join('');
					fun = new Function(script);
					fun.call(this);
				};
			},
			
			// 自动切换定位类型
			_autoPositionType: function () {
				this[this.config.fixed ? '_setFixed' : '_setAbsolute']();/////////////
			},
			
			
			// 设置静止定位
			// IE6 Fixed @see: http://www.planeart.cn/?p=877
			_setFixed: (function () {
				_isIE6 && $(function () {
					var bg = 'backgroundAttachment';
					if (_$html.css(bg) !== 'fixed' && $('body').css(bg) !== 'fixed') {
						_$html.css({
							zoom: 1,// 避免偶尔出现body背景图片异常的情况
							backgroundImage: 'url(about:blank)',
							backgroundAttachment: 'fixed'
						});
					};
				});
				
				return function () {
					var $elem = this.DOM.wrap,
						style = $elem[0].style;
					
					if (_isIE6) {
						var left = parseInt($elem.css('left')),
							top = parseInt($elem.css('top')),
							sLeft = _$document.scrollLeft(),
							sTop = _$document.scrollTop(),
							txt = '(document.documentElement)';
						
						this._setAbsolute();
						style.setExpression('left', 'eval(' + txt + '.scrollLeft + '
							+ (left - sLeft) + ') + "px"');
						style.setExpression('top', 'eval(' + txt + '.scrollTop + '
							+ (top - sTop) + ') + "px"');
					} else {
						style.position = 'fixed';
					};
				};
			}()),
			
			// 设置绝对定位
			_setAbsolute: function () {
				var style = this.DOM.wrap[0].style;
					
				if (_isIE6) {
					style.removeExpression('left');
					style.removeExpression('top');
				};

				style.position = 'absolute';
			},
			
			// 按钮回调函数触发
			_click: function (name) {
				var that = this,
					fn = that._listeners[name] && that._listeners[name].callback;
				return typeof fn !== 'function' || fn.call(that, window) !== false ?
					that.close() : that;
			},
			
			// 重置位置与尺寸
			_reset: function (test) {
				var newSize,
					that = this,
					oldSize = that._winSize || _$window.width() * _$window.height(),
					elem = that._follow,
					width = that._width,
					height = that._height,
					left = that._left,
					top = that._top;
				
				if (test) {
					// IE6~7 window.onresize bug
					newSize = that._winSize =  _$window.width() * _$window.height();
					if (oldSize === newSize) return;
				};
				
				if (width || height) that.size(width, height);
				
				if (elem) {
					that.follow(elem);
				} else if (left || top) {
					that.position(left, top);
				};
			},
			
			// 事件代理
			_addEvent: function () {
				var resizeTimer,
					that = this,
					config = that.config,
					isIE = 'CollectGarbage' in window,
					DOM = that.DOM;
				
				// 窗口调节事件
				that._winResize = function () {
					resizeTimer && clearTimeout(resizeTimer);
					resizeTimer = setTimeout(function () {
						that._reset(isIE);
					}, 40);
				};
				//_$window.bind('resize', that._winResize);
				
				// 监听点击
				DOM.wrap
				.bind('click', function (event) {
					var target = event.target, callbackID;
					
					if (target.disabled) return false; // IE BUG
					
					if (target === DOM.close[0]) {
						that.mouseover = false;
						that._click(config.cancelVal);
						return false;
					} else {
						callbackID = target[_expando + 'callback'];
						callbackID && that._click(callbackID);
					};
					
					that._ie6SelectFix();
				})
				.bind('mousedown', function () {
					//that.zIndex();
				})
				.bind('mouseover', function () {
					that.mouseover = true;
				})
				.bind('mouseout', function () {
					that.mouseover = false;

					var fn = that.config.mouseout;
					if ('function' === typeof fn) {
						 fn.call(that, window);
					}
				});
			},
			
			// 卸载事件代理
			_removeEvent: function () {
				var that = this,
					DOM = that.DOM;
				
				DOM.wrap.unbind();
				//_$window.unbind('resize', that._winResize);
			}
			
		};

		artDialog.fn._init.prototype = artDialog.fn;
		$.fn.dialog = $.fn.artDialog = function () {
			var config = arguments;
			this[this.live ? 'live' : 'bind']('click', function () {
				artDialog.apply(this, config);
				return false;
			});
			return this;
		};



		/** 最顶层的对话框API */
		artDialog.focus = null;


		/** 获取某对话框API */
		artDialog.get = function (id) {
			return id === undefined
			? artDialog.list
			: artDialog.list[id];
		};

		artDialog.list = {};



		// 全局快捷键
		_$document.bind('keydown', function (event) {
			var target = event.target,
				nodeName = target.nodeName,
				rinput = /^INPUT|TEXTAREA$/,
				api = artDialog.focus,
				keyCode = event.keyCode;

			if (!api || !api.config.esc || rinput.test(nodeName)) return;
				
			keyCode === 27 && api._click(api.config.cancelVal);
		});



		// 获取artDialog路径
		_path = window['_artDialog_path'] || (function (script, i, me) {
			for (i in script) {
				// 如果通过第三方脚本加载器加载本文件，请保证文件名含有"artDialog"字符
				if (script[i].src && script[i].src.indexOf('artDialog') !== -1) me = script[i];
			};
			
			_thisScript = me || script[script.length - 1];
			me = _thisScript.src.replace(/\\/g, '/');
			return me.lastIndexOf('/') < 0 ? '.' : me.substring(0, me.lastIndexOf('/'));
		}(document.getElementsByTagName('script')));



		// 无阻塞载入CSS (如"artDialog.js?skin=aero")
		_skin = _thisScript.src.split('skin=')[1];
		if (_skin) {
			var link = document.createElement('link');
			link.rel = 'stylesheet';
			link.href = _path + '/skins/' + _skin + '.css?' + artDialog.fn.version;
			_thisScript.parentNode.insertBefore(link, _thisScript);
		};



		// 触发浏览器预先缓存背景图片
		_$window.bind('load', function () {
			setTimeout(function () {
				if (_count) return;
				artDialog({left: '-9999em',time: 9,fixed: false,lock: false,focus: false});
			}, 150);
		});



		// 开启IE6 CSS背景图片缓存
		try {
			document.execCommand('BackgroundImageCache', false, true);
		} catch (e) {};




		// 使用uglifyjs压缩能够预先处理"+"号合并字符串
		// uglifyjs: http://marijnhaverbeke.nl/uglifyjs
		artDialog._templates =
		'<div class="aui_outer">'
		+	'<table class="aui_border">'
		+		'<tbody>'
		+			'<tr>'
		+				'<td class="aui_nw"></td>'
		+				'<td class="aui_n"></td>'
		+				'<td class="aui_ne"></td>'
		+			'</tr>'
		+			'<tr>'
		+				'<td class="aui_w"></td>'
		+				'<td class="aui_c">'
		+					'<div class="aui_inner">'
		+					'<table class="aui_dialog">'
		+						'<tbody>'
		+							'<tr>'
		+								'<td colspan="2" class="aui_header">'
		+									'<div class="aui_titleBar">'
		+										'<div class="aui_title"></div>'
		+										'<a class="aui_close" href="javascript:/*artDialog*/;">'
		+											'\xd7'
		+										'</a>'
		+									'</div>'
		+								'</td>'
		+							'</tr>'
		+							'<tr>'
		+								'<td class="aui_icon">'
		+									'<div class="aui_iconBg"></div>'
		+								'</td>'
		+								'<td class="aui_main">'
		+									'<div class="aui_content"></div>'
		+								'</td>'
		+							'</tr>'
		+							'<tr>'
		+								'<td colspan="2" class="aui_footer">'
		+									'<div class="aui_buttons"></div>'
		+								'</td>'
		+							'</tr>'
		+						'</tbody>'
		+					'</table>'
		+					'</div>'
		+				'</td>'
		+				'<td class="aui_e"></td>'
		+			'</tr>'
		+			'<tr>'
		+				'<td class="aui_sw"></td>'
		+				'<td class="aui_s"></td>'
		+				'<td class="aui_se"></td>'
		+			'</tr>'
		+		'</tbody>'
		+	'</table>'
		+'</div>';



		/**
		 * 默认配置
		 */
		artDialog.defaults = {
										// 消息内容
			content: '<div class="aui_loading"><span>loading..</span></div>',
			title: '\u6d88\u606f',		// 标题. 默认'消息'
			button: null,				// 自定义按钮
			ok: null,					// 确定按钮回调函数
			cancel: null,				// 取消按钮回调函数
			init: null,					// 对话框初始化后执行的函数
			close: null,				// 对话框关闭前执行的函数
			okVal: '\u786E\u5B9A',		// 确定按钮文本. 默认'确定'
			cancelVal: '\u53D6\u6D88',	// 取消按钮文本. 默认'取消'
			width: 'auto',				// 内容宽度
			height: 'auto',				// 内容高度
			minWidth: 96,				// 最小宽度限制
			minHeight: 32,				// 最小高度限制
			padding: '5px',				// 内容与边界填充距离
			skin: '',					// 皮肤名(预留接口,尚未实现)
			icon: null,					// 消息图标名称
			time: null,					// 自动关闭时间
			esc: false,					// 是否支持Esc键关闭
			focus: true,				// 是否支持对话框按钮自动聚焦
			show: true,					// 初始化后是否显示对话框
			follow: null,				// 跟随某元素(即让对话框在元素附近弹出)
			path: _path,				// artDialog路径
			lock: false,				// 是否锁屏
			background: '#000',			// 遮罩颜色
			opacity: .7,				// 遮罩透明度
			duration: 300,				// 遮罩透明度渐变动画速度
			fixed: false,				// 是否静止定位
			left: '50%',				// X轴坐标
			top: '38.2%',				// Y轴坐标
			zIndex: 1987,				// 对话框叠加高度值(重要：此值不能超过浏览器最大限制)
			resize: true,				// 是否允许用户调节尺寸
			drag: true,					// 是否允许用户拖动位置
			mouseout: null				// 鼠标移出对话框执行的函数
		};

		window.artDialog = $.dialog = $.artDialog = artDialog;
		}(this.art || this.jQuery && (this.art = jQuery), this));






		//------------------------------------------------
		// 对话框模块-拖拽支持（可选外置模块）
		//------------------------------------------------
		;(function ($) {

		var _dragEvent, _use,
			_$window = $(window),
			_$document = $(document),
			_elem = document.documentElement,
			_isIE6 = !('minWidth' in _elem.style),
			_isLosecapture = 'onlosecapture' in _elem,
			_isSetCapture = 'setCapture' in _elem;

		// 拖拽事件
		artDialog.dragEvent = function () {
			var that = this,
				proxy = function (name) {
					var fn = that[name];
					that[name] = function () {
						return fn.apply(that, arguments);
					};
				};
				
			proxy('start');
			proxy('move');
			proxy('end');
		};

		artDialog.dragEvent.prototype = {

			// 开始拖拽
			onstart: $.noop,
			start: function (event) {
				_$document
				.bind('mousemove', this.move)
				.bind('mouseup', this.end);
					
				this._sClientX = event.clientX;
				this._sClientY = event.clientY;
				this.onstart(event.clientX, event.clientY);

				return false;
			},
			
			// 正在拖拽
			onmove: $.noop,
			move: function (event) {		
				this._mClientX = event.clientX;
				this._mClientY = event.clientY;
				this.onmove(
					event.clientX - this._sClientX,
					event.clientY - this._sClientY
				);
				
				return false;
			},
			
			// 结束拖拽
			onend: $.noop,
			end: function (event) {
				_$document
				.unbind('mousemove', this.move)
				.unbind('mouseup', this.end);
				
				this.onend(event.clientX, event.clientY);
				return false;
			}
			
		};

		_use = function (event) {
			var limit, startWidth, startHeight, startLeft, startTop, isResize,
				api = artDialog.focus,
				//config = api.config,
				DOM = api.DOM,
				wrap = DOM.wrap,
				title = DOM.title,
				main = DOM.main;

			// 清除文本选择
			var clsSelect = 'getSelection' in window ? function () {
				window.getSelection().removeAllRanges();
			} : function () {
				try {
					document.selection.empty();
				} catch (e) {};
			};
			
			// 对话框准备拖动
			_dragEvent.onstart = function (x, y) {
				if (isResize) {
					startWidth = main[0].offsetWidth;
					startHeight = main[0].offsetHeight;
				} else {
					startLeft = wrap[0].offsetLeft;
					startTop = wrap[0].offsetTop;
				};
				
				_$document.bind('dblclick', _dragEvent.end);
				!_isIE6 && _isLosecapture ?
					title.bind('losecapture', _dragEvent.end) :
					_$window.bind('blur', _dragEvent.end);
				_isSetCapture && title[0].setCapture();
				
				wrap.addClass('aui_state_drag');
				api.focus();
			};
			
			// 对话框拖动进行中
			_dragEvent.onmove = function (x, y) {
				if (isResize) {
					var wrapStyle = wrap[0].style,
						style = main[0].style,
						width = x + startWidth,
						height = y + startHeight;
					
					wrapStyle.width = 'auto';
					style.width = Math.max(0, width) + 'px';
					wrapStyle.width = wrap[0].offsetWidth + 'px';
					
					style.height = Math.max(0, height) + 'px';
					
				} else {
					var style = wrap[0].style,
						left = Math.max(limit.minX, Math.min(limit.maxX, x + startLeft)),
						top = Math.max(limit.minY, Math.min(limit.maxY, y + startTop));

					style.left = left  + 'px';
					style.top = top + 'px';
				};
					
				clsSelect();
				api._ie6SelectFix();
			};
			
			// 对话框拖动结束
			_dragEvent.onend = function (x, y) {
				_$document.unbind('dblclick', _dragEvent.end);
				!_isIE6 && _isLosecapture ?
					title.unbind('losecapture', _dragEvent.end) :
					_$window.unbind('blur', _dragEvent.end);
				_isSetCapture && title[0].releaseCapture();
				
				_isIE6 && !api.closed && api._autoPositionType();
				
				wrap.removeClass('aui_state_drag');
			};
			
			isResize = event.target === DOM.se[0] ? true : false;
			limit = (function () {
				var maxX, maxY,
					wrap = api.DOM.wrap[0],
					fixed = wrap.style.position === 'fixed',
					ow = wrap.offsetWidth,
					oh = wrap.offsetHeight,
					ww = _$window.width(),
					wh = _$window.height(),
					dl = fixed ? 0 : _$document.scrollLeft(),
					dt = fixed ? 0 : _$document.scrollTop(),
					
				// 坐标最大值限制
				maxX = ww - ow + dl;
				maxY = wh - oh + dt;
				
				return {
					minX: dl,
					minY: dt,
					maxX: maxX,
					maxY: maxY
				};
			})();
			
			_dragEvent.start(event);
		};

		// 代理 mousedown 事件触发对话框拖动
		_$document.bind('mousedown', function (event) {
			var api = artDialog.focus;
			if (!api) return;

			var target = event.target,
				config = api.config,
				DOM = api.DOM;
			
			if (config.drag !== false && target === DOM.title[0]
			|| config.resize !== false && target === DOM.se[0]) {
				_dragEvent = _dragEvent || new artDialog.dragEvent();
				_use(event);
				return false;// 防止firefox与chrome滚屏
			};
		});

	})(this.art || this.jQuery && (this.art = jQuery));

});